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USA | |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Plante, Alan (1992): Western Massachusetts Mineral Localities (Valley Geology Press) Cerato, A.. 2003: Mineralogical Study of Davis Mine, Rowe, MA, Using X-Ray Diffraction Techniques |
| Sawyer, A. (1908) Early Mining Operations Near Lowell, in Contributions of the Lowell Historical Society, vol.1.1913. |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Hitchcock, Edward (1835): Report on the Geology, Mineralogy, Botany, and Zoology of Massachusetts, pp.63. |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |